</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Synthetic Zeolite 4A Powder from Canada

Zeolite 4A is a hydrated sodium calcium aluminosilicate powder used in molecular sieves and ion exchange applications. Classified under HTS 2842.10.00.00 as a double or complex aluminosilicate. Its specific pore size of 4 angstroms enables selective adsorption in industrial processes.

Duty Rate — Canada → United States

13.7%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide particle size distribution and pore volume specs for verification; check for free trade agreement eligibility under HTSUS Annex; avoid bulk packaging confusion with 28xx industrial chemicals